package com.atguigu.gulimall.ware.config;

import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;
import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyRabbitConfig {
    @Autowired
    RabbitTemplate rabbitTemplate;

    @Bean
    public MessageConverter messageConverter(){
        return new Jackson2JsonMessageConverter();
    }

    @PostConstruct
    public void initRabbitMQTemplate(){
        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
            @Override
            public void confirm(CorrelationData correlationData, boolean ack, String cause) {
                System.out.println("confirm......[correlationData]:"+correlationData+" [ack]:"+ack+" [cause]:"+cause);
            }
        });


        rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {
            @Override
            public void returnedMessage(Message message, int i, String s, String s1, String s2) {
//                System.out.println("confirm......[correlationData]:"+correlationData+" [ack]:"+ack+" [cause]:"+cause);
            }
        });
    }

    @RabbitListener(queues = "stock.release.stock.queue")
    public void headle(Message message){
        System.out.println(message);
    }

    @Bean
    public Exchange stockEventExchange(){
        return new TopicExchange("stock-event-exchange",true,false);
    }
    @Bean
    public Queue stockReleaseStockQueue(){
        return new Queue("stock.release.stock.queue",true,false,false);
    }

    @Bean
    public Queue stockDelayQueue(){
        Map<String,Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange","stock-event-exchange");
        arguments.put("x-dead-letter-routing-key","stock.release");
        arguments.put("x-message-ttl",120000);
        return new Queue("stock-delay-queue",true,false,false,arguments);
    }


    @Bean
    public Binding stockReleaseBinding(){
        return new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",
                null);
    }

    @Bean
    public Binding stockLockedBinding(){
        return new Binding("stock.delay.queue",
                Binding.DestinationType.QUEUE,
                "stock-event-exchange",
                "stock.release.#",
                null);
    }
}
